Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fr Curtius & Co
Original Assignee
Fr Curtius & Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fr Curtius & CofiledCriticalFr Curtius & Co
Priority to ES92090ApriorityCriticalpatent/ES92090A1/es
Publication of ES92090A1publicationCriticalpatent/ES92090A1/es
ES92090A1925-01-051925-01-05Procedimiento para la obtención del contenido de cobre de los residuos de las piritas de hierro calcinadas.
ExpiredES92090A1
(es)